<template>
  <div class="bg-container">
    <div class="login-form">
      <h2>admin</h2>
      <div>
        <el-form ref="loginForm"
                 :model="form"
                 :rules="rules"
                 label-width="80px"
                 class="login-box">
          <el-form-item label="账号"
                        prop="username">
            <el-input type="text"
                      placeholder="请输入账号"
                      v-model="form.username" />
          </el-form-item>
          <el-form-item label="密码"
                        prop="password">
            <el-input type="password"
                      placeholder="请输入密码"
                      v-model="form.password" />
          </el-form-item>
          <el-form-item>
            <el-button type="primary"
                       @click="onSubmit('loginForm')">登录</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
    <div class="footer">
      <div class="copyright">
        <span>Copyright &copy; 2019 </span>
      </div>
    </div>
  </div>
</template>
<script>
import { login } from '../../api/index'
export default {
  name: "login",
  data () {
    return {
      form: {
        username: "",
        password: ""
      },
      // 表单验证，需要在 el-form-item 元素中增加 prop 属性
      rules: {
        username: [
          { required: true, message: "账号不可为空", trigger: "blur" }
        ],
        password: [{ required: true, message: "密码不可为空", trigger: "blur" }]
      }
    };
  },
  methods: {
    onSubmit (formName) {
      // 为表单绑定验证功能
      this.$refs[formName].validate(valid => {
        if (valid) {
          // 使用 vue-router 路由到指定页面，该方式称之为编程式导航
          // this.$router.push("/home");
          login(this.form).then(res => {
            if (res.status == 200) {
              this.$router.push("/admin/index");
            }
          })
        } else {
          return false;
        }
      });
    },
  }
};
</script>
<style scoped>
.bg-container {
  width: 100%;
  height: 100%;
  overflow: hidden;
  margin: 0;
  background-image: url(./login_bg.jpg);
}
.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  margin: 0 auto;
  height: 30px;
  line-height: 20px;
  padding-top: 5px;
  padding-bottom: 5px;
}
.footer .copyright {
  font-size: 12px;
  text-align: center;
  width: 100%;
  color: #fff;
  opacity: 0.5;
}
.login-form {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.login-form h2 {
  color: #fff;
}
.login-box {
  border: 1px solid #dcdfe6;
  width: 350px;
  margin: 80px auto;
  padding: 35px 35px 15px 35px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  box-shadow: 0 0 25px #909399;
}
</style>
<style>
.login-box .el-form-item__label {
  color: #fff;
}
</style>